years in the making. and there are many years ahead. join the millions of members who've chosen an aarp medicare supplement insurance plan insured by unitedhealthcare insurance company. go long. >>> so if you're like a lot of people who follow the news, general david petraeus's resignation, and admitted that he cheated on his wife was a total shock. the general was known for demanding the highest standards for himself and his soldiers. first, the obvious question, he had it all, a great family and career, why risk everything? he had to know he would get caught eventually, right? >> no, studies show that when men get a huge increase with testosterone, that comes from winning the super bowl, or war even, can raise testosterone levels, then men tend to rationalize cheating better. the higher testosterone means higher sexual arouseal, and then their thinking starts to get a little blurred about what the subseque consequences may be. >> so if we're built that way, are we fighting the way we're built? >> absolutely not, you know, thankfully, don, most men -- have women in their culture, too,
